Volcano
What is a volcano?
A mountain through which lava,rock,hot vapor,and gas erupt from the Earth's crust
Define chemical weathering
Chemical reactions break rocks into smaller pieces
define medosphere
Bottommost solid rocky layer reaching down to the core
What are plate tectonics?
Theory that giant plate pieces of the Earth's Lithosphere move about slowly on top of the Asthenosphere
How is an Igneous Rock formed?
Formed from magma and lava
What is a Composite Volcano?
Emits a stiff,rapidly solidifying lava which forms high,steep-sided cones
Define mechanical weathering
Physically breaks down rocks into smaller pieces
Which chemical substances make up the Earth's atmosphere?
Nitrogen,oxygen,argon,carbon dioxide,helium,krypton,and xenon
What are Earthqukes?
Shifting movement in the Lithosphere's tectonic plates that releases energy
Name the 5 types of natural disasters
Earthquake,Epicenter,Focus,Fault,and Valcano
What are the three different types of volcanoes?
Composite volcanoes,Cinder volcanoes,Shield volcanoes
name the types of climates
Tropical,dry,temperate marine,temperate continental,highlands,and polar
Define asthenosphere
The middle layer of the mantle consisting of soft-flowing rock
What are the three different plate boundaries?
Divergent,convergent,transform
Name the 6 characteristics of minerals
Crystal structure,Density,color,hardness,luster,fracture
What is a cinder volcano?
Cone volcanoes regularly throw out ash and build up flatter domes called cinder cones
Name the order of the water cycle
Evaporation,transpiration,condensation,precipitation,and percolation
Define lithosphere
The uppermost layer of cool rock just below the crust
What is the process of Plate Tectonics?
Mid-ocean ridge,Sea-floor spreading, Subduction of oceanic plates
What are the types of ways that Sedimentary rocks form?
erosion,deposition,compaction,cementation
What is a shield Volcano?
Lava does not eject violently,but flows over the crater rim forming a broad low profile
Name the types of clouds
Stratus cloud,nimbostratus cloud,cumulus cloud,cumulonimbus cloud, and cirrus cloud
Name the layers of the Earth (inner to outer)
Inner core,Outer core,Medosphere,Asthenosphere,lithosphere,crust,troposphere,startosphere,mesosphere,thermosphere,exosphere
Who proposed the continental drift theory and what is it?
Alfred Wegener,Earth's continents were once joined together in a single super-continent,which then broke into pieces and moved apart
As density increases...
Oxygen and silicon percentage decreases